EP3738307A4 - Length-adaptive deblocking filtering in video coding - Google Patents

Length-adaptive deblocking filtering in video coding Download PDF

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Publication number
EP3738307A4
EP3738307A4 EP18902581.0A EP18902581A EP3738307A4 EP 3738307 A4 EP3738307 A4 EP 3738307A4 EP 18902581 A EP18902581 A EP 18902581A EP 3738307 A4 EP3738307 A4 EP 3738307A4
Authority
EP
European Patent Office
Prior art keywords
length
video coding
deblocking filtering
adaptive deblocking
adaptive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18902581.0A
Other languages
German (de)
French (fr)
Other versions
EP3738307A1 (en
Inventor
Chia-Ming Tsai
Tzu-Der Chuang
Chih-Wei Hsu
Ching-Yeh Chen
Yu-Wen Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HFI Innovation Inc
Original Assignee
MediaTek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MediaTek Inc filed Critical MediaTek Inc
Publication of EP3738307A1 publication Critical patent/EP3738307A1/en
Publication of EP3738307A4 publication Critical patent/EP3738307A4/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP18902581.0A 2018-01-29 2018-12-20 Length-adaptive deblocking filtering in video coding Pending EP3738307A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862622980P 2018-01-29 2018-01-29
US16/216,650 US11153607B2 (en) 2018-01-29 2018-12-11 Length-adaptive deblocking filtering in video coding
PCT/CN2018/122317 WO2019144732A1 (en) 2018-01-29 2018-12-20 Length-adaptive deblocking filtering in video coding

Publications (2)

Publication Number Publication Date
EP3738307A1 EP3738307A1 (en) 2020-11-18
EP3738307A4 true EP3738307A4 (en) 2021-11-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18902581.0A Pending EP3738307A4 (en) 2018-01-29 2018-12-20 Length-adaptive deblocking filtering in video coding

Country Status (7)

Country Link
US (1) US11153607B2 (en)
EP (1) EP3738307A4 (en)
CN (2) CN111630857B (en)
CA (1) CA3087721C (en)
SG (2) SG11202006520SA (en)
TW (1) TWI702827B (en)
WO (1) WO2019144732A1 (en)

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CA3132582A1 (en) * 2019-03-07 2020-09-10 Digitalinsights Inc. Image encoding/decoding method and apparatus
CA3240495A1 (en) * 2019-07-19 2021-01-28 Lg Electronics Inc. Image encoding/decoding method and device using filtering, and method for transmitting bitstream
CN114342380A (en) * 2019-09-06 2022-04-12 瑞典爱立信有限公司 Deblocking filter selection in video or image coding
EP4018658B1 (en) * 2019-09-17 2023-03-29 Huawei Technologies Co., Ltd. Signaling subpicture ids in subpicture based video coding
EP4088462A4 (en) 2020-02-14 2023-05-24 Beijing Bytedance Network Technology Co., Ltd. Subpicture information signaling in video bitstreams
US11856204B2 (en) * 2020-05-04 2023-12-26 Ssimwave Inc. Macroblocking artifact detection
CN112738515B (en) * 2020-12-28 2023-03-24 北京百度网讯科技有限公司 Quantization parameter adjustment method and apparatus for adaptive quantization
WO2024017061A1 (en) * 2022-07-22 2024-01-25 Mediatek Inc. Method and apparatus for picture padding in video coding

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Also Published As

Publication number Publication date
US11153607B2 (en) 2021-10-19
CN114710669B (en) 2023-08-08
SG11202006520SA (en) 2020-08-28
US20190238890A1 (en) 2019-08-01
CN114710669A (en) 2022-07-05
CN111630857B (en) 2022-04-15
SG10202109354UA (en) 2021-10-28
CA3087721A1 (en) 2019-08-01
CN111630857A (en) 2020-09-04
CA3087721C (en) 2022-11-29
TWI702827B (en) 2020-08-21
EP3738307A1 (en) 2020-11-18
TW201933868A (en) 2019-08-16
WO2019144732A1 (en) 2019-08-01

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